Home / 758,296.32-1,137,441.24-308,916.96

Finding the Fourth Proportional to 758,296.32, 1,137,441.24 and 308,916.96

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Solution

The fourth proportional to 758,296.32, 1,137,441.24 and 308,916.96 is: 463,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,296.32 : 1,137,441.24 = 308,916.96 : x
  2. Step 2: Convert to fraction form
    758,296.32/1,137,441.24 = 308,916.96/x
  3. Step 3: Cross multiply
    758,296.32x = 1,137,441.24 × 308,916.96
  4. Step 4: Simplify right side
    758,296.32x = 351,374,890,039.43
  5. Step 5: Solve for x
    x = 351,374,890,039.43/758,296.32
  6. Step 6: Final answer
    x = 463,374.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.